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Finding the Fourth Proportional to 224,079.62, 309,228.21 and 123,477.62

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Solution

The fourth proportional to 224,079.62, 309,228.21 and 123,477.62 is: 170,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,079.62 : 309,228.21 = 123,477.62 : x
  2. Step 2: Convert to fraction form
    224,079.62/309,228.21 = 123,477.62/x
  3. Step 3: Cross multiply
    224,079.62x = 309,228.21 × 123,477.62
  4. Step 4: Simplify right side
    224,079.62x = 38,182,763,407.66
  5. Step 5: Solve for x
    x = 38,182,763,407.66/224,079.62
  6. Step 6: Final answer
    x = 170,398.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.